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Inki Dae1c248b72011-10-04 19:19:01 +09001/* exynos_drm.h
2 *
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * Authors:
5 * Inki Dae <inki.dae@samsung.com>
6 * Joonyoung Shim <jy0922.shim@samsung.com>
7 * Seung-Woo Kim <sw0312.kim@samsung.com>
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
18 * Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 */
28
29#ifndef _EXYNOS_DRM_H_
30#define _EXYNOS_DRM_H_
31
32/**
33 * User-desired buffer creation information structure.
34 *
Inki Daef088d5a2011-11-12 14:51:23 +090035 * @size: user-desired memory allocation size.
Inki Dae1c248b72011-10-04 19:19:01 +090036 * - this size value would be page-aligned internally.
37 * @flags: user request for setting memory type or cache attributes.
Inki Daef088d5a2011-11-12 14:51:23 +090038 * @handle: returned a handle to created gem object.
39 * - this handle will be set by gem module of kernel side.
Inki Dae1c248b72011-10-04 19:19:01 +090040 */
41struct drm_exynos_gem_create {
Inki Daef088d5a2011-11-12 14:51:23 +090042 uint64_t size;
Inki Dae1c248b72011-10-04 19:19:01 +090043 unsigned int flags;
44 unsigned int handle;
Inki Dae1c248b72011-10-04 19:19:01 +090045};
46
47/**
48 * A structure for getting buffer offset.
49 *
50 * @handle: a pointer to gem object created.
51 * @pad: just padding to be 64-bit aligned.
52 * @offset: relatived offset value of the memory region allocated.
53 * - this value should be set by user.
54 */
55struct drm_exynos_gem_map_off {
56 unsigned int handle;
57 unsigned int pad;
58 uint64_t offset;
59};
60
61/**
62 * A structure for mapping buffer.
63 *
64 * @handle: a handle to gem object created.
65 * @size: memory size to be mapped.
66 * @mapped: having user virtual address mmaped.
67 * - this variable would be filled by exynos gem module
68 * of kernel side with user virtual address which is allocated
69 * by do_mmap().
70 */
71struct drm_exynos_gem_mmap {
72 unsigned int handle;
73 unsigned int size;
74 uint64_t mapped;
75};
76
Joonyoung Shim864ee9e2011-12-08 17:54:07 +090077struct drm_exynos_plane_set_zpos {
78 __u32 plane_id;
79 __s32 zpos;
80};
81
Inki Dae1c248b72011-10-04 19:19:01 +090082#define DRM_EXYNOS_GEM_CREATE 0x00
83#define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
84#define DRM_EXYNOS_GEM_MMAP 0x02
Joonyoung Shim864ee9e2011-12-08 17:54:07 +090085/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
86#define DRM_EXYNOS_PLANE_SET_ZPOS 0x06
Inki Dae1c248b72011-10-04 19:19:01 +090087
88#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
89 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
90
91#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
92 DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
93
94#define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
95 DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
96
Joonyoung Shim864ee9e2011-12-08 17:54:07 +090097#define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \
98 DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)
99
Inki Dae1c248b72011-10-04 19:19:01 +0900100/**
101 * Platform Specific Structure for DRM based FIMD.
102 *
103 * @timing: default video mode for initializing
104 * @default_win: default window layer number to be used for UI.
105 * @bpp: default bit per pixel.
106 */
107struct exynos_drm_fimd_pdata {
108 struct fb_videomode timing;
109 u32 vidcon0;
110 u32 vidcon1;
111 unsigned int default_win;
112 unsigned int bpp;
113};
114
Seung-Woo Kimd8408322011-12-21 17:39:39 +0900115/**
116 * Platform Specific Structure for DRM based HDMI.
117 *
118 * @hdmi_dev: device point to specific hdmi driver.
119 * @mixer_dev: device point to specific mixer driver.
120 *
121 * this structure is used for common hdmi driver and each device object
122 * would be used to access specific device driver(hdmi or mixer driver)
123 */
124struct exynos_drm_common_hdmi_pd {
125 struct device *hdmi_dev;
126 struct device *mixer_dev;
127};
128
129/**
130 * Platform Specific Structure for DRM based HDMI core.
131 *
132 * @timing: default video mode for initializing
133 * @default_win: default window layer number to be used for UI.
134 * @bpp: default bit per pixel.
135 */
136struct exynos_drm_hdmi_pdata {
137 struct fb_videomode timing;
138 unsigned int default_win;
139 unsigned int bpp;
140};
141
Inki Dae1c248b72011-10-04 19:19:01 +0900142#endif